public class Bird extends Animal implements IFlyable{
    public void TakeOff() {
        System.out.println("起飞");
    }

    public void Fly() {
        System.out.println("用翅膀飞行");
    }

    public void Land() {
        System.out.println("双脚落地");
    }
    public void LayEggs(){
        System.out.println("下蛋");
    }
    public void Eat(){
        System.out.println("吃虫");
    }
}